(a) If, after a civil service system under this subchapter has been in effect in a department for at least one year, 20 percent of the employees of the department petition the county judge to dissolve the system, the judge shall order a departmental election on the question of the dissolution of the department’s civil service system.
(b) The county judge shall hold the election after the 15th day but on or before the 45th day after the date the petition is submitted. The election must be by secret ballot and each employee is entitled to vote at the election.

(c) The ballots for the election shall be printed to provide for voting for or against the proposition: “Dissolution of the sheriff’s department civil service system.”
(d) The county judge shall canvass the votes and declare the result.
(e) If the proposition is approved by a majority of the employees voting at the election, the county judge shall declare the sheriff’s department civil service system dissolved.